Selective control valve used to operate implements attached to a tractor



FIG. 1 is a side elevational view of a selective control valve used tooperate implements attached to a tractor showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is an end elevational view thereof;

FIG. 4 is an end elevational view thereof, from the end opposite thatshown in FIG. 3; and,

FIG. 5 is a reduced front perspective view thereof.

The bottom of the design is substantially flat and unornamented.

The ornamental design for a selective control valve used to operateimplements attached to a tractor, as shown and described.